Low = under 15 inches, Medium = 15 inches to 30 inches, Tall = over 30 inches
Scientific name USDA Zone Height X Width Description Common name Water Exposure Ajuga reptans 3 5" X 12" Evergreen. Blue flowers. Green Carpet Bugle Med. Sun-Part bronze purple or varieg. leaves. Anemone blanda 4 4" X 6" Bulb. Single blue, pink or white Windflower Low Part Sun flower in March. Anemone pulsatilla 5 1' x 1' Low mound of featherly leaves. Pasque Flower Med. Sun-Part Violet flowers in spring. Arabis caucasica 3 4" X 1' White flowers on fleshy leaves in Rock Cress Med. Sun March to April. Good rock garden. Arctostaphylos uva-ursi 2 8" X 4' Native evergreen. Pink flowers. Kinnikinnick Low Sun-Part Red berries. Good groundcover.PNP Arenaria montana 3 4" X 18" Low mound of white flowers from Montana Sandwort Med. Sun-Part March to April. Likes lime. Armeria maritima 4 10" X 1' Native evergreen. Mound of leaves. Sea Thrift Med. Sun-Part Pink or white flowers April-June. Asarum caudatum 4 4" X 2' Native. Large, heart shaped leaves. Wild Ginger High Shade-Part Brown flowers early Spring. PNP Asarum species 4 6" X 18" Groundcover. Glossy leaves hide Wild Ginger High Shade-Part small red flowers. Asarum splendens 4 6" X 2' Large, heart shaped leaves with Chinese Ginger High Shade-Part white stripes. Tiny red flowers. Aubrieta deltoidea 4 5" X 15" Low mat of red to blue flowers in Rock Cress Med. Sun-Part March to May. Good in rock walls. Aurinia saxatilis 4 10" X 1' Evergreen. Green gray leaves with Basket Of Gold Med. Sun-Part yellow flowers from April-June. Bellis perennis 4 5" X 6" Red, rose, and white flowers in English Daisy Med. Sun-Part April and May. Good in lawns. Bergenia cordifolia 3 12" X 2' Evergreen. Large heart shaped Heartleaf Bergenia Med. Sun-Part leaves. Pink flowers in Spring. Calceolaria biflora 6 12" X 8" Evergreen. Pouch-like flowers of Pocketbook Flower Med. Shade-Part yellow and red in May and June. Ceanothus gloriosus 7 12" X 3' Evergreen. Blue flowers in late Point Reyes Ceanothus Low Sun spring. Good groundcover. Convallaria majalis 3 6" X 15" Small fragrant bell-shaped white Lily-of-the-Valley Med. Shade-Part flowers in May. Poisonous. Cornus canadensis 1 3" X 2' Semi-evergreen. White flowers in Bunchberry Med. Sun-Shade spring. Red berries in fall. PNP Cotoneaster dammeri 1 5" X 6' Evergreen. White flowers in Bearberry Cotoneaster Low Sun-Shade spring. Orange berries in fall. Cotula squalida 4 2" X 1' Evergreen. Button flowers in May- Brass Buttons Med. Part Sun June. Fern-like foliage creeps. Crocus vernus 3 4" X 4" Bulb. White, pink, blue, or purple Dutch Crocus Low Sun-Part flowers in February to March. Dianthus species 4 1-3' X 1' Low mound or tall cut flower in Carnation or Pinks Med. Sun-Part pink, red and white May to July. Dicentra formosa 3 12" X 18" Native. Dark fern-like leaves. Western Bleeding Heart Low Shade-Part Pink flowers April to June. PNP Epimedium grandiflorum 4 1' X 3' Evergreen. Red white pink or Bishop's Hat Med. Part Shade violet flowers. Bronze leaves. Fragaria 'Lipstick' 4 4" X 24" Evergreen groundcover. Large, rose Lipstick Strawberry Med. Sun-Part colored flowers in Spring. Fragaria chiloensis 4 6" X 1' Native evergreen groundcover. White Wild Strawberry Med. Sun-Part flowers in spring. Red berries. Galanthus nivalis 3 8" X 8" Bulb. Dainty white bells in Feb. to Snowdrop Med. Shade-Part March. Naturalizes under trees. Galium odoratum 4 8" X 2' Small white flowers on dense mat Sweet Woodruff Med. Shade of green from May to August. Gaultheria procumbens 3 6" X 18" Native evergreen. Pink bell flowers Wintergreen Med. Sun-Shade in spring. Red edible berries. Heucherella tiarelloides 4 1' X 2' Hybrids between Heuchera and Tia- Foam Flower Med. Part shade rella. Colorful foliage. Hyacinthus orientalis 4 8" X 6" bulb. Very fragrant spikes of blue, Hyacinth Low Sun-Shade white, or purple in April to May. Iberis sempervirens 4 8" X 1' Evergreen. White flowers in April Candytuft Low Sun cover low mound of small leaves. Iris "Dutch Hybrid" 5 8" X 5" Bulb. Slender stalks topped by iris Dutch Iris Med. Sun-Part flower in many colors in April. Leontipodium alpinum 3 6" X 8" White woolly leaves. Flowers and Edelweis Med. Sun-Part floral leaves in May to July. Leucojum vernum 6" X 6" Bulb. Clusters of white bells in Snowflake Med. Shade March. Naturalizes under trees. Lewisia cotyledon 4 10" X 5" Evergreen. Pink to orange flowers Lewisia Low Sun-Part in May-Aug. above rosette leaves. Lithodora diffusa 5 5" X 3' Evergreen. Brilliant blue flowers Lithospermum Med. Sun-Part May to July. Likes good drainage. Mazus reptans 5 2" X 18" Evergreen groundcover. Blue flowers Mazus Med. Sun-Part in spring. Moist well drained. Muscari armeniacum 4 6" X 6" Bulb. Bright blue flowers on 6" Grape Hyacinth Low Sun-Part spikes in March and April. Myosotis sylvatica 3 8" X 8" Blue, pink, or white flowers May to Forget-Me-Not Med. Sun-Shade September. Spreads easily. Oxalis oregana 3 7" X 30" Native groundcover for shade. White Wood sorrel Med. Shade-Part flowers April-June. PNP Pachysandra terminalis 5 8" X 1' Evergreen. White flower spikes. Japanese Spurge High Shade-Part Dark green leaves. Groundcover. Phlox subulata 3 4" X 1' Evergreen. Dense mat of color in Creeping Phlox Med. Sun May-June. Needs good drainage. Ranunculus asiaticus 4 12" X 1' Large yellow, orange, red, pink, or Persian Ranunculus Med. Sun white flowers in April to June. Rhodohypoxis baurii 4 4" X 4" Mass of rose red flowers in spring Rhodohypoxis Med. Sun and summer. Good rock garden. Sagina sublata 4 2" X 1' Dense mat of dark green with small Irish Moss Med. Sun-Part white flowers in spring. Sagina sublata 'Aurea' 4 2" X 1' Dense mat of light green with small Scotch Moss Med. Sun-Part white flowers in spring. Saponaria species 3 1' X 3' Dark, oval leaves with pink flowers Soapwort Low Sun in spring. Good groundcover. Saxifraga species 4 1' X 18" Small white star-like flowers with Rockfoil Med. Shade-Part a reddish tinge in April-June. Silene species 5 12" X 15" Groundcover. Magenta to cream flow- Moss Campion Med. Sun-Part ers in spring. Sisyrinchium angustifolium 3 1' X 1' Green or bluish leaves. Purple & Blue-eyed Grass Med. Sun yellow flowers in May to June. Sisyrinchium idahoensis 2 12" X 12" Native. Thin, grass-like leaves. Idaho Blue-eyed Grass Low Sun Purple flowers on tip of stalk. Tiarella cordifolia 4 8" X 2' Fast spreading groundcovers. White Foamflower High Shade-Part to pink flowers. Trillium ovatum 4 1' X 6" Native. Three leaves with white Trillium High Shade-Part flowers in March. PNP Trillium species 4 1' X 6" Native. Three leaves with white or Trillium High Shade-Part yellow flowers in March. Tulipa species 4 6-24" X 8" Bulb. Many colors of flowers in Tulip Med. Sun-Part March to May. Needs good drainage Verbena hyb. 'Homestead Purple' 6 10" X 3' Evergreen. Purple flowers spring to Homestead Purple Verbena Med. Sun fall. Good groundcover. Vinca minor 4 1' X 3' Evergreen. Blue, white or purple Periwinkle Med. Sun-Shade flowers in spring and summer. Viola glabella 6 8" X 8" Native. Small heart-shaped flowers. Yellow Wood Violet Med. Shade-Part Small yellow spring flowers. PNP Viola odorata 6 6" X 1' Dark purple flowers and a lovely Sweet Violet Med. Sun-Shade fragrance in February to April. Waldestenia fragarioides 2 3" X 8" Evergreen. Strawberry-like plant. Barren Strawberry Med. Sun-Part Yellow flowers in spring.
Scientific name USDA Zone Height X Width Description Common name Water Exposure Anemone coronaria 6 2' X 15" Bulb. Red, blue, purple or white Wind Flower Med. Part shade flowers May and June. Good cut. Aquilegia species 3 2' X 18" Red white or blue flowers in May. Columbine Med. Sun-Shade Attracts hummingbirds/butterflies Brunnera macrophylla 5 15" X 1' Airy clusters of blue flowers above Siberian Bugloss High Part Shade heart shaped leaves in March-June Camassia quamash 6 18" X 12" Native bulb. Blue flowers in Common Camas High Sun Spring. PNP Chrysanthemum coccinneum 4 30" X 2' Finely divided leaves. Pink, red, Painted Daisy Med. Sun or white flowers in May. Dianella tasmanica 7 2' X 2' Evergreen. Blue/purple flowers in Flax Lily Med. Sun-Part spring. Blue-green leaves. Dicentra formosa 3 30" X 3' Native. Dainty pink or white Bleeding Heart Low Shade-Part flowers in April to June. Dicentra spectabilis 3 30" X 3' Dainty pink or white flowers in Bleeding Heart Med. Shade-Part April to June. Doronicum cordatum 4 18" X 12" Low mound. Yellow daisy flowers on Leopard's Bane Med. Part Shade tall stems April-June. Good cut. Endymion non-scriptus (Scilla) 4 15" X 12" Bulb. Spikes of blue white or pink Wood Hyacinth Med. Sun-Part flowers in May. Easy to grow. Euphorbia species 6 2' X 2' Green to purple leaves. Chartreuse Spurge Low Sun to burgandy flowers. Fern, Dryopteris erythrosora 6 18" X 18" Evergreen. New fronds are coppery Autumn Fern Low Shade-Part red, mature to green. Freesia species 3 15" X 1' Bulb. Fragrant flowers in many Freesia Med. Sun-Part colors in May. Good cut flower. Fritillaria species 5 2-4' X 1' Bulb. Unusual flowers of orange, Fritillaria Med. Sun-Part yellow or checkered purple/white. Gaultheria shallon 6 2' X 3' Native evergreen. Pink flowers in Salal Med. Sun-Shade spring. Black edible berries. PNP Helleborus orientalis 4 18" X 1' Leathery dark green leaves. White, Lenten Rose High Shade-Part pink, red, yellow, green flowers. Heuchera sanguinea 4 15" X 18" Evergreen. Tall stalks of dainty Coral Bells Med. Sun-Part coral flowers in April-August. Iris tenax 5 15" X 18" Native. Purple flowers with yellow Oregon iris Low Sun-Part or white. Drought tolerant. PNP Libertia peregrinans 7 18" x 18" Narrow leaves are bright orange on New Zealand Iris Med. Sun-Shade the edges. White flowers Spring. Ligularia tussilaginea (Farfugiu 8 2' X 2' Thick leaves with yellow spots. Leopard Plant Med. Sun-Part Yellow flowers. Good indoors. Lychnis coronaria 6 2' X 18" Silky white foliage. Magenta to Rose campion Low Sun-Part crimson flowers from May to July. Mertensia virginica 3 20" X 1' Native. Pink turning to blue petti- Virginia Bluebells Med. Shade-Part coat flowers in April and May. Narcissus species 4 2' X 1' Bulb. Yellow, orange, or white flo- Daffodils Low Sun-Part wers in March to April. Easy. Paeonia lactiflora 4 2' X 2' Ever popular plant in many colors Bush Peony Med. Sun-Part in May. Good cut flowers. Papaver nudicaule 2 15" X 10" 3-4" flowers in many colors from Iceland Poppy Low Sun-Part April to September. Good cut. Polygonatum biflorum 3 30" X 2' Pairs of greenish white flowers on Solomon's Seal Med. Shade-Part arching stems. Blue-black berries Rosmarinus officinalis 8 2' X 5' Aromatic leaves with blue flowers Rosemary Low Sun in spring. Needs good drainage. Tricyrtis hirta 6 2' X 2' Purple spotted flowers in spring. Toad Lily High Shade-Part spring. Trollius species 3 2' X 2' Deciduous. Gold or yellow flowers Globeflower High Sun-Part May-June. Zantedeschia species 2 2' X 2' White, yellow or pink flowers in Calla Lily High Sun-Part May.
Scientific name USDA Zone Height X Width Description Common name Water Exposure Aster frikartii 5 3' X 2' Large lavender blue daisies from Frikart's Aster Med. Sun May to frost if deadheaded. Delphinium hybrids 3 3-6' X 2' Tall spikes of blue, lavender, or Larkspur Med. Sun white in June. Good cut. Dierama pulcherrimum 7 5' X 5' Sword-like leaves. Purple to white Wand Flower High Sun bell-shaped flowers May-June. Digitalis purpurea 4 4' X 1' Spike of white to pink spotted Pink Foxglove Med. Part shade flowers. Leaves are poisonous. Euryops pectinatus 8 5' X 3' Bright yellow daisy-like flowers Golden Shrub Daisy Low Sun March-October. Needs protection. Hesperis matronalis 5 3' X 2' Old fashioned plant. Fragrant lav- Dame's Rocket Med. Sun-Part ender or pink flowers May-June. Incarvillea delavayi 5 3' X 2' Clusters of 3" long purple trumpet Hardy Gloxinia Med. Sun-Part inMay-July. Iris ensata 4 3' X 2' Large white, lavender, purple or Japanese Iris High Sun-Part blue flowers in May. Wet or dry. Iris hybrids 4 3' X 2' Many sizes and colors of flowers in Bearded Iris Med. Sun May and June. Iris sibirica 3 3' X 2' White, yellow, lavender, purple or Siberian Iris High Sun-Part blue flowers in May. Wet or dry. Paeonia suffruticosa 6 5' X 5' Large flowers up to 1' across in Tree Peony Med. Sun-Part many colors in May. Some double. Rheum palmatum 3 4' X 3' Deciduous. Green, bronze & dark red Ornamental Rhubarb High Sun-Part leaves. Red flower stalks in May. Rodgersia aesculifolia 5 5' X 3' Creamy white flowers late spring to Rodger's Flower High Shade-Part early summer. Huge fingered leaf. Smilacina racemosa 3 3' X 1' Tall plumes of fuzzy white flowers. False Solomon's Seal High Shade-Part Red & white speckled fruit. PNP Thalictrum species 5 3' X 2' Airy plants with fuzzy flowers in Meadow Rue High Sun-Part white, pink or purple.
Common and Scientific Names of Trees, Shrubs, Vines & Perennials